img_path = "/images/navigation/";


function parseProjects (cat)
{
	switch (cat)
	{
		case 1: return "gartenparadiese";
		case 2: return "anlagen";
		case 3: return "dorferneuerung";
		case 4: return "orte";
		case 5: return "sanierungsplanung";
		case 6: return "bebauungsplaene";
		case 7: return "landschaftsplan";
		case 8: return "regionalentwicklung";
		default: return "error";
	}
}


function activate (m,c)
{
	if (m == "arbeitsfelder")
	{
		neu = parseProjects (c);
		highlight_proj = true;
	}
	else
	{
		neu = m;
		highlight_proj = false;
	}

	if (parent.MM_Navigation.activeMenu == "arbeitsfelder")
	{
		alt = parseProjects (parent.MM_Navigation.activeCategory);
		darken_proj = true;
	}
	else
	{
		alt = parent.MM_Navigation.activeMenu;
		darken_proj = false;
	}

	if (parent.MM_Navigation.activeMenu != null)
	{
		parent.MM_Navigation.document.getElementsByName (alt) [0].src = img_path + alt + ".0.gif";
		if (highlight_proj) parent.MM_Navigation.document.getElementsByName ('arbeitsfelder') [0].src = img_path + "arbeitsfelder.1.gif";
	}

	parent.MM_Navigation.document.getElementsByName (neu) [0].src = img_path + neu + ".1.gif";

	if (highlight_proj)
	{
		if (! darken_proj) parent.MM_Navigation.document.getElementsByName ('arbeitsfelder') [0].src = img_path + "arbeitsfelder.1.gif";
	}
	else
	{
		if (darken_proj) parent.MM_Navigation.document.getElementsByName ('arbeitsfelder') [0].src = img_path + "arbeitsfelder.0.gif";
	}

	parent.MM_Navigation.activeMenu = m;

	if (m == "arbeitsfelder") parent.MM_Navigation.activeCategory = c; else parent.MM_Navigation.activeCategory = 0;
}